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Officials: W.Va. Mine Operator Kept Two Sets Of Safety Records [USA]

Federal mine disaster investigators disclosed a few pieces of new information Tuesday night from their year-long look at the April 2010 deadly Upper Big Branch mine explosion. They said that: -- Mine owner Massey Energy [now part of Alpha Natural Resources] kept two sets of records that chronicled safety problems. One internal set of production reports detailed those problems and how they delayed coal production. But the other records, which are reviewed by federal mine safety inspectors and required by federal law, failed to mention the same safety hazards... — Gas readings taken shortly after the explosion showed too little methane to support Massey Energy's claim that a massive, naturally-occurring and unpredictable inundation of gas caused the disaster... An Alpha spokesman told NPR before last night's private briefing that the company would have no comment on any new information until after a public briefing set for 10 am ET today.

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